//
//  Person.m
//  runtime
//
//  Created by zxy on 2018/4/17.
//  Copyright © 2018年 zssh. All rights reserved.
//

#import "Person.h"
#import <objc/runtime.h>
@implementation Person
+(void)run{
    NSLog(@"跑");
}
+(void)study{
    NSLog(@"学习");
}


@end
